Describe the difference between the two models of the atom

Will you chech and finish these for me, because i am stumped with them.

An electric current is flowing through the cord below. what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Metals are good conductors of electricity because they